<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title></title>
	</head>
	<body>
	<form action="index.php" method="post">
		<input type="text" name="a" />
		<input type="password" name="b" />
		<input type="submit" value="提交"/>
	</form>	
	</body>
</html>
